2N/A/*
2N/A * CDDL HEADER START
2N/A *
2N/A * The contents of this file are subject to the terms of the
2N/A * Common Development and Distribution License (the "License").
2N/A * You may not use this file except in compliance with the License.
2N/A *
2N/A * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
2N/A * or http://www.opensolaris.org/os/licensing.
2N/A * See the License for the specific language governing permissions
2N/A * and limitations under the License.
2N/A *
2N/A * When distributing Covered Code, include this CDDL HEADER in each
2N/A * file and include the License file at usr/src/OPENSOLARIS.LICENSE.
2N/A * If applicable, add the following below this CDDL HEADER, with the
2N/A * fields enclosed by brackets "[]" replaced with your own identifying
2N/A * information: Portions Copyright [yyyy] [name of copyright owner]
2N/A *
2N/A * CDDL HEADER END
2N/A */
2N/A
2N/A/*
2N/A * Copyright 2008 Sun Microsystems, Inc. All rights reserved.
2N/A * Use is subject to license terms.
2N/A */
2N/A
2N/A/* Copyright (c) 1988 AT&T */
2N/A/* All Rights Reserved */
2N/A
2N/A#pragma ident "%Z%%M% %I% %E% SMI"
2N/A
2N/A#include "lint.h"
2N/A#include "file64.h"
2N/A#include <signal.h>
2N/A#include <stdlib.h>
2N/A#include <unistd.h>
2N/A#include <stdio.h>
2N/A#include "stdiom.h"
2N/A
2N/Astatic int pass = 0; /* counts how many times abort has been called */
2N/A
2N/A/*
2N/A * abort() - terminate current process with dump via SIGABRT
2N/A */
2N/Avoid
2N/Aabort(void)
2N/A{
2N/A sigset_t set;
2N/A struct sigaction act;
2N/A
2N/A if (!sigaction(SIGABRT, NULL, &act) &&
2N/A act.sa_handler != SIG_DFL && act.sa_handler != SIG_IGN) {
2N/A /*
2N/A * User handler is installed, invokes user handler before
2N/A * taking default action.
2N/A *
2N/A * Send SIGABRT, unblock SIGABRT if blocked.
2N/A * If there is pending signal SIGABRT, we only need to unblock
2N/A * SIGABRT.
2N/A */
2N/A if (!sigprocmask(SIG_SETMASK, NULL, &set) &&
2N/A sigismember(&set, SIGABRT)) {
2N/A if (!sigpending(&set) && !sigismember(&set, SIGABRT))
2N/A (void) raise(SIGABRT);
2N/A (void) sigrelse(SIGABRT);
2N/A } else
2N/A (void) raise(SIGABRT);
2N/A }
2N/A
2N/A if (++pass == 1)
2N/A __cleanup();
2N/A
2N/A for (;;) {
2N/A (void) signal(SIGABRT, SIG_DFL);
2N/A (void) sigrelse(SIGABRT);
2N/A (void) raise(SIGABRT);
2N/A }
2N/A}